Ready to implement the list of notifications

lib/ui/routes/home_route.dart

@@ -3,6 +3,7 @@ import 'package:comunic/ui/routes/app_settings_route.dart';
 import 'package:comunic/ui/screens/conversations_list_screen.dart';
 import 'package:comunic/ui/screens/friends_list_screen.dart';
 import 'package:comunic/ui/screens/newest_posts.dart';
+import 'package:comunic/ui/screens/notifications_screen.dart';
 import 'package:comunic/ui/widgets/navbar_widget.dart';
 import 'package:comunic/utils/account_utils.dart';
 import 'package:comunic/utils/intl_utils.dart';
@@ -76,6 +77,9 @@ class _HomeRouteState extends State<HomeRoute> {
   /// Build the body of the application
   Widget _buildBody(BuildContext context) {
     switch (_currTab) {
+      case BarCallbackActions.OPEN_NOTIFICATIONS:
+        return NotificationsScreen();
+
       case BarCallbackActions.OPEN_CONVERSATIONS:
         return ConversationsListScreen();
 

lib/ui/screens/notifications_screen.dart

@@ -0,0 +1,46 @@
+import 'package:comunic/lists/notifications_list.dart';
+import 'package:comunic/utils/intl_utils.dart';
+import 'package:comunic/utils/ui_utils.dart';
+import 'package:flutter/material.dart';
+
+/// Notifications screen
+///
+/// @author Pierre HUBERT
+
+enum _Status { LOADING, ERROR, NONE }
+
+class NotificationsScreen extends StatefulWidget {
+  @override
+  _NotificationsScreenState createState() => _NotificationsScreenState();
+}
+
+class _NotificationsScreenState extends State<NotificationsScreen> {
+  NotificationsList _list;
+  _Status _status = _Status.LOADING;
+
+  void setStatus(_Status s) => setState(() => _status = s);
+
+  Future<void> _loadList() async {
+    setStatus(_Status.LOADING);
+
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    // In case of error
+    if (_status == _Status.ERROR)
+      return buildErrorCard(tr("Could not get the list of notifications!"),
+          actions: [
+            MaterialButton(
+              onPressed: () => _loadList(),
+              child: Text(tr("Try again".toUpperCase())),
+            )
+          ]);
+
+    // Loading status
+    if (_list == null || _status == _Status.LOADING)
+      return Center(
+        child: CircularProgressIndicator(),
+      );
+  }
+}

lib/ui/widgets/navbar_widget.dart

@@ -10,6 +10,7 @@ typedef OnSelectMenuAction = void Function(BarCallbackActions);
 
 /// Callback actions
 enum BarCallbackActions {
+  OPEN_NOTIFICATIONS,
   OPEN_CONVERSATIONS,
   OPEN_NEWEST_POSTS,
   OPEN_FRIENDS,
@@ -20,6 +21,7 @@ enum BarCallbackActions {
 }
 
 Color _primaryColor() => darkTheme() ? Colors.black : Colors.blue;
+
 Color _secondaryColor() => darkTheme() ? darkAccentColor : Colors.white;
 
 /// Menu item information
@@ -52,6 +54,10 @@ class _ActionMenuItem {
 
 /// List of menu items to show
 final _menuItems = <_MenuItem>[
+  _MenuItem(
+      label: tr("Notifications"),
+      icon: Icon(Icons.notifications),
+      action: BarCallbackActions.OPEN_NOTIFICATIONS),
   _MenuItem(
       label: tr("Conversations"),
       icon: Icon(Icons.comment),